RAMOPEN (1) translates the local name "RM" to determine the ramtek device number, (2) allocates the ramtek device, (3) assigns a channel to the Ramtek device, and (4) opens the channel I/O. Returns the channel number or -1 if device is not available. This is routine is called by RPLOTS which is called by FRAME. RAMOPEN initializes the REF array.
CALL RAMOPEN(ic,it,id,ie) ic (I): returned channel number it (I): Ramtek device code input = 1 1280x1024 Ramtek = 2 512x512 Ramtek id (I): returned Ramtek device number ie (I): (returned) error code